Finding the Fourth Proportional to 5,106,476.80, 7,653,202.80 and 2,711,468.80
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Solution
The fourth proportional to 5,106,476.80, 7,653,202.80 and 2,711,468.80 is: 4,063,745.21
Step by Step Solution
- Step 1: Write the proportion equation
5,106,476.80 : 7,653,202.80 = 2,711,468.80 : x - Step 2: Convert to fraction form
5,106,476.80/7,653,202.80 = 2,711,468.80/x - Step 3: Cross multiply
5,106,476.80x = 7,653,202.80 × 2,711,468.80 - Step 4: Simplify right side
5,106,476.80x = 20,751,420,612,272.64 - Step 5: Solve for x
x = 20,751,420,612,272.64/5,106,476.80 - Step 6: Final answer
x = 4,063,745.21
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.